YM1610 Black Soot

[careyo63]

Won't hurt that to clean it that's for sure. May have to do it a couple times. When I turned my Cap/Lid around just be careful it's will be easy to catch a low hanging limb etc.. Now mine stays back turned around like normal no oil bombs Etc.. While you have it off look inside the exhaust manifold for excess oil and carbon and clean it. Mine was nowhere near that bad Cardon in the manifold that looked dry and normal. My guess it's going to make a big difference

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[Gooner]

Reads and looks like "wet stacking".
link

If it's that basically your not using it hard enough.

/edit
Ran across that a lot in the Army with generators not being loaded down enough.

Thanks for the link, it certainly seems to make sense as I do tend to use it in lower revs.

 

[Gooner]

Won't hurt that to clean it that's for sure. May have to do it a couple times. When I turned my Cap/Lid around just be careful it's will be easy to catch a low hanging limb etc.. Now mine stays back turned around like normal no oil bombs Etc.. While you have it off look inside the exhaust manifold for excess oil and carbon and clean it. Mine was nowhere near that bad Cardon in the manifold that looked dry and normal. My guess it's going to make a big difference

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  YM2000 & Woods mower.JPG

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I'll give it a clean hopefully this weekend and see how we go. Thanks for the advice, much appreciated.

 

[redman135]

From the look of your exhaust you are running cold ,doing litle jobs and not getting hot enough to clear the exhaust. To fix it you need a job of a couple hours or more to rated pto revs under a good load (brush hogging, cultivating) to get some real heat in the exhaust to clean it out.
I used to get this problem in my MF135 when it only had light work and cold running. Harrowing a paddock after the cattle had eaten it out (commercial farm) would fix the problem.

 

[Norfolktoad]

Do u idle the engine for extended periods of time.??
Don’t do that.. if your jumping off and back on, that’s fine..
But if you get off and shoot the bull with the neighbors and leave it running, your killing the tractor..
Any more than 5-10 minutes, SHUT IT OFF..

I had the same problem with my 1610. This is known as "Slobbering" and I was able to rectify the problem, by changing the exhaust to a short forward pointing type instead of the vertical type.
This may be of interest https://forums.yesterdaystractors.com/threads/slobbering.926289/

 

[Gooner]

Thanks everyone for the advice. I removed the exhaust, gave it a good clean with petrol, changed all filters and running at a higher RPM, problem seems to have been solved . If the problem returns, I'll try turning the exhaust 90 degrees.